IUPAC Name: 2,4,5-Tribromo-1-methylimidazole 
Following is the structure of 1H-Imidazole,2,4,5-tribromo-1-methyl- (CAS NO.1003-91-4):
                               
Empirical Formula: C₄H₃Br₃N₂
Molecular Weight: 318.792 g/mol
Molar Refractivity: 47.92 cm³
Molar Volume: 120.4 cm³
Density: 2.64 g/cm³
Flash Point: 174.5 °C
Melting point: 84-86 °C
Index of Refraction: 1.726
Surface Tension: 56.9 dyne/cm
Enthalpy of Vaporization: 61.11 kJ/mol
Boiling Point: 364.9 °C at 760 mmHg
Vapour Pressure of 1H-Imidazole,2,4,5-tribromo-1-methyl- (CAS NO.1003-91-4): 1.63E-05 mmHg at 25 °C
Product Categories of 1H-Imidazole,2,4,5-tribromo-1-methyl- (CAS NO.1003-91-4): blocks; Bromides; Imidazoles; Imidazol & Benzimidazole
Canonical SMILES: CN1C(=C(N=C1Br)Br)Br
InChI: InChI=1S/C4H3Br3N2/c1-9-3(6)2(5)8-4(9)7/h1H3
InChIKey: KAMDVXMJRMNDCQ-UHFFFAOYSA-N

Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

 1H-Imidazole,2,4,5-tribromo-1-methyl- , its cas register number is 1003-91-4. It also can be called 2,4,5-Tribromo-1-methylimidazole ; and 2,4,5-Tribromo-1-methyl-1H-imidazole .